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Finding the Fourth Proportional to 48,389.60, 72,670.80 and 35,256.80

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Solution

The fourth proportional to 48,389.60, 72,670.80 and 35,256.80 is: 52,948.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,389.60 : 72,670.80 = 35,256.80 : x
  2. Step 2: Convert to fraction form
    48,389.60/72,670.80 = 35,256.80/x
  3. Step 3: Cross multiply
    48,389.60x = 72,670.80 × 35,256.80
  4. Step 4: Simplify right side
    48,389.60x = 2,562,139,861.44
  5. Step 5: Solve for x
    x = 2,562,139,861.44/48,389.60
  6. Step 6: Final answer
    x = 52,948.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.